#include<iostream> using namespace std; int main(){ int n,m,k=0; cin>>n>>m; while(n>=m){ n-=m; m+=1; k+=1; } cout<<k; return 0; }

每天i++，i++了几次就是几天

#include"iostream" using namespace std; int main(){ int n,m,s=0; cin>>n>>m; while(n>=m){ n=n-m; m=m+1; s++; } cout<<s; return 0; }